Method for preparing diphenyl sulfone by catalytic method
The invention provides a method for preparing diphenyl sulfone through a catalytic method, and relates to the technical field of diphenyl sulfone preparation methods, benzene sulfonyl chloride and benzene are subjected to a reflux reaction under catalysis of a catalyst at a predetermined temperature...
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| creator | TANG MINGGUO HAO YONG TAN XUEQUAN CHEN JIALI LIU MINGRONG ZHOU SHENGZE LU HONGGEN |
| description | The invention provides a method for preparing diphenyl sulfone through a catalytic method, and relates to the technical field of diphenyl sulfone preparation methods, benzene sulfonyl chloride and benzene are subjected to a reflux reaction under catalysis of a catalyst at a predetermined temperature, when the reaction reaches the end point, a diphenyl sulfone crude product solution is prepared, and the diphenyl sulfone crude product solution is subjected to post-treatment to obtain a diphenyl sulfone crude product; according to the present invention, the diphenyl sulfone crude product is subjected to reduced pressure distillation to collect the diphenyl sulfone fraction, the diphenyl sulfone is subjected to thermal dissolution, cooling to precipitate the crystal, filtration is performed to obtain the diphenyl sulfone crystal, and the diphenyl sulfone crystal is dried to obtain the pure diphenyl sulfone, such that the diphenyl sulfone prepared through the method has characteristics of high yield and high purit |
| format | Patent |
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according to the present invention, the diphenyl sulfone crude product is subjected to reduced pressure distillation to collect the diphenyl sulfone fraction, the diphenyl sulfone is subjected to thermal dissolution, cooling to precipitate the crystal, filtration is performed to obtain the diphenyl sulfone crystal, and the diphenyl sulfone crystal is dried to obtain the pure diphenyl sulfone, such that the diphenyl sulfone prepared through the method has characteristics of high yield and high purit</description><language>chi ; eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230725&DB=EPODOC&CC=CN&NR=116478072A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25566,76549</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230725&DB=EPODOC&CC=CN&NR=116478072A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANG MINGGUO</creatorcontrib><creatorcontrib>HAO YONG</creatorcontrib><creatorcontrib>TAN XUEQUAN</creatorcontrib><creatorcontrib>CHEN JIALI</creatorcontrib><creatorcontrib>LIU MINGRONG</creatorcontrib><creatorcontrib>ZHOU SHENGZE</creatorcontrib><creatorcontrib>LU HONGGEN</creatorcontrib><title>Method for preparing diphenyl sulfone by catalytic method</title><description>The invention provides a method for preparing diphenyl sulfone through a catalytic method, and relates to the technical field of diphenyl sulfone preparation methods, benzene sulfonyl chloride and benzene are subjected to a reflux reaction under catalysis of a catalyst at a predetermined temperature, when the reaction reaches the end point, a diphenyl sulfone crude product solution is prepared, and the diphenyl sulfone crude product solution is subjected to post-treatment to obtain a diphenyl sulfone crude product; 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according to the present invention, the diphenyl sulfone crude product is subjected to reduced pressure distillation to collect the diphenyl sulfone fraction, the diphenyl sulfone is subjected to thermal dissolution, cooling to precipitate the crystal, filtration is performed to obtain the diphenyl sulfone crystal, and the diphenyl sulfone crystal is dried to obtain the pure diphenyl sulfone, such that the diphenyl sulfone prepared through the method has characteristics of high yield and high purit</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Method for preparing diphenyl sulfone by catalytic method |
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